Patents by Inventor Hedley Lloyd Quinton

Hedley Lloyd Quinton has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Torque sensing calibration unit
    Patent number: 6450045
    Abstract: A torque sensing calibration unit comprises a hollow torsion bar (2) to which torque is to be applied, associated with two or more pairs or positions sensors (10, 11, 12, 13, 14, 15) each pair being arranged to measure movement of the bar on diametrically opposite sides of a central axis through the bar (2). The pairs of sensors are arranged to measure movement in mutually perpendicular directions.
    Type: Grant
    Filed: March 12, 1999
    Date of Patent: September 17, 2002
    Assignee: Crane Electronics Ltd.
    Inventors: David Ogilvie Crane, Hedley Lloyd Quinton